Lavatory vessel



FIG. 1 is an upper perspective view of a vessel showing my new design;

FIG. 2 is a front view thereof, the opposite rear view being substantially identical;

FIG. 3 is a right side view thereof, the opposite left side view being substantially identical;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a frontal perspective view thereof.

No claim is made to the bottom plan view thereof.

No claim is made to the portions shown in broken lines. 

The ornamental design for a lavatory vessel, as shown and described. 